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Contains:  M 81, Bode's nebulae, NGC 3031
Getting plate-solving status, please wait...
M81 with Tidal stream, 


            omar salah
M81 with Tidal stream

M81 with Tidal stream

Technical card

Resolution: 1801x1225

Dates:March 23, 2017March 24, 2017March 25, 2017March 26, 2017

Optolong CLS: 16x300" ISO1600 bin 1x1
Optolong CLS: 17x900" ISO1600 bin 1x1
Optolong CLS: 10x900" ISO800 bin 1x1
Optolong CLS: 19x300" ISO800 15C bin 1x1
Optolong CLS: 9x900" ISO800 15C bin 1x1

Integration: 11.9 hours

Darks: ~9

Flats: ~5

Flat darks: ~4

Bias: ~49

Avg. Moon age: 26.25 days

Avg. Moon phase: 12.80%

Mean FWHM: 5.00 job: 1514772

RA center: 148.897 degrees

DEC center: 69.060 degrees

Pixel scale: 2.208 arcsec/pixel

Orientation: -98.255 degrees

Field radius: 0.668 degrees

Locations: Home, Al manzilah, Egypt



omar salah
License: None (All rights reserved)

Sky plot

Sky plot


M81 with Tidal stream, 


            omar salah